决策支持系统采用面向对象、基于模型的构架，具备问题库、知识库、模型库和方法库等四库系统。

This DSS has a target-oriented and model based framework, which has four bases of question base, knowledge base, model base and method base.

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本文首先对决策支持系统(dss)的概念、体系结构进行了简要的介绍，阐述了DSS的数据库系统、模型库系统、知识库系统以及方法库系统。

This paper describes the concept, system structure of the Decision Support system (DSS) firstly, then introduces the database, model library, knowledge library and arithmetic library of the DSS.

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